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WBR: Scottish business on independence 17 Sept 14

With voting in the Scottish independence referendum just hours away, we ask the country's small businesses about their hopes and fears for the outcome. Meanwhile, supporters of independence for Catalonia in Spain are holding their breath ahead of the Scottish vote - we have a report from the streets of Barcelona. Plus, we take a look inside the mind of Jack Ma, founder of the world's biggest internet retailer, Alibaba, as it gears up for its stock market listing. And how munching your dinner could do more than just fill you up - we speak to an inventor of a chin strap that can generate energy from chewing.